Heaviside expanxion formula
[电] Heaviside展开公式
🧩 词语组成解析
海维赛德(①姓氏 ②Oliver, 1850-1925, 英国物理学家、电气工程学家)
formula
['fɔ:mjulə]
n. 公式，准则;客套话;方案;婴儿食品;
🗣️ 情景例句
I can speak English as far as foreign languages are concerned.
就外语来说，我只会讲英语。
This is Mr. Jones.
这是琼斯先生。
What did you do at the meeting?
你们在会上做什么呢？